.logo {
    width: 810px;
    height: 131px;
    margin: 0 auto;
} .nav {
    width: 819px;
    height: 32px;
    line-height: 32px;
    margin: 0 auto;
    position: relative;
}.contents {
    background: #fff;
    width: 810px;
    margin: 0 auto;
    padding: 10px 0;
}
.contentNewWindow {
    background: #fff;
    width: 580px;
    margin: 0 auto;
    padding: 10px 0;
} 

.col_1 {
    margin: 0px 12px;
    width: 202px;
    float: left;
	display:inline;
} .col_2 {
    width: 570px;
	float:left;
} .bottom {
    margin: 0 auto;
    padding-top: 20px;
    width: 810px;
    clear: both;
} .margin{
	margin:10px;
}
.ctn{
    background: #fff;
    width: 510px;
    margin: 0 auto;
    padding: 10px 0;
}